Concrete bridge and headwall unit



FIG. 1 is a perspective view of a concrete bridge and headwall unit and showing my new design;

FIG. 2 is another perspective view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is an end view thereof;

FIG. 5 is an opposite end view thereof; and,

FIG. 6 is a side view thereof, the opposite side view being a mirror image. 

The ornamental design of a concrete bridge and headwall unit, as shown and described. 